US3560434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhancement of resistance of olefin polymers to copper-catalyzed oxidative degradation
Assignee: Argus Chemical Corp
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Filing: 1969-12-12
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Granted: 1971-02-02
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Expires: 1989-12-12
Abstract
Abstract COMPOSITIONS ARE PROVIDED WHICH ARE USEFUL IN THE ENHANCEMENT OF THE RESISTANCE OF OLEFIN POLYMERS TO COPPERCATALYZED OXIDATIVE DETERIORATION, CONSISTING ESSENTIALLY OF 3-AMINO-4, 2, 4-TRIAZOLE AND PENTAERYTHRITOL, AND OPTIONALLY, AT LEAST ONE OLEFIN POLYMER STABILIZER. OLEFIN POLYMER COMPOSITIONS, SUCH AS PROPYLENE POLYMER COMPOSITIONS, CONTAINING SUCH COMPOSITIONS, AND A PROCESS FOR ENHANCING THE RESISTANCE OF OLEFIN PLOLYMERS TO COPPER-CATALYZED DEGRADATION BY INCORPORATION OF SUCH COMPOSITIONS, ARE ALSO PROVIDED.
Inventors
- 👤 Charles Abramoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:53
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |